Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e371266f91945d8…

MALICIOUS

PDF

76.0 KB Created: 2020-12-16 17:53:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-19
MD5: b1b7fa76c3a05bef5b20aed083f8ea6b SHA-1: 4a761376b2ed8072451a4b498e9298b7a4f32d78 SHA-256: 4e371266f91945d8c8c5e2f27795beacd088ae591f54dfe6dc5164728e5d5a8f
196 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://traffset.ru/strik?utm_term=parisian+chic+a+style+guide+by+ines+de+la+fressange+pdf PDF link annotation
    • https://bewodopogogubak.weebly.com/uploads/1/3/4/8/134886142/115151.pdfIn PDF document text
    • https://mefapepuj.weebly.com/uploads/1/3/4/3/134310437/d2f32037b.pdfIn PDF document text
    • https://tapoxafo.weebly.com/uploads/1/3/4/6/134689388/684a6.pdfIn PDF document text
    • https://degijidugaf.weebly.com/uploads/1/3/4/8/134886203/tuliw_lasadaj_gotalimevejoti_sofeg.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/kesumasaka/osrs_the_corsair_curse_runehq.pdfIn PDF document text
    • https://s3.amazonaws.com/kewakuko/50514785936.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc55e3d239b0722914f125b/t/5fc84e6fd32d012678f56e10/1606962804405/44090051687.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc3342111f6a4198494abb4/t/5fc4d569eaf37e3b643476ad/1606735218128/sea_snails_splatoon_2.pdfIn PDF document text
    • https://s3.amazonaws.com/vopadofugon/kopetomakezaleranadazipe.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc50833d49dd124474ed35a/t/5fcbd79836758319a55e48bd/1607194520636/zurejonewavoxomexuboveke.pdfIn PDF document text
    • https://s3.amazonaws.com/pujinit/marketing_management_4th_edition.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0de27085bf90c0efce9ba/t/5fc2e9277acac6192a20eb62/1606609196222/authentic_leadership_questionnaire_deutsch.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dbde.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDBDE 5432 bytes
SHA-256: 6e7e52fa6d04d55bd751f8ccd3abfba388f8fdfc629da402f3e4ae0aee355e86
font_01_sfnt_off0000ee4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEE4C 11640 bytes
SHA-256: 16be1ed8c251f2a7cf3f2e6f6f484a8fe1f128817b971c08efb8f6ec1cacb924
font_02_sfnt_off0001150d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1150D 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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